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Finding the Fourth Proportional to 448,437.25, 618,843.41 and 247,233.25

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Solution

The fourth proportional to 448,437.25, 618,843.41 and 247,233.25 is: 341,181.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,437.25 : 618,843.41 = 247,233.25 : x
  2. Step 2: Convert to fraction form
    448,437.25/618,843.41 = 247,233.25/x
  3. Step 3: Cross multiply
    448,437.25x = 618,843.41 × 247,233.25
  4. Step 4: Simplify right side
    448,437.25x = 152,998,667,495.38
  5. Step 5: Solve for x
    x = 152,998,667,495.38/448,437.25
  6. Step 6: Final answer
    x = 341,181.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.